diff --git a/resources/definitions/ultimaker2_extended.def.json b/resources/definitions/ultimaker2_extended.def.json
index 1d7ef8bbd2..361132ea95 100644
--- a/resources/definitions/ultimaker2_extended.def.json
+++ b/resources/definitions/ultimaker2_extended.def.json
@@ -14,7 +14,7 @@
 
     "overrides": {
         "machine_height": {
-            "default": 315
+            "default_value": 315
         }
     }
 }